Question: What is the population of Richmond at 2011-7-1?
Paraphrase: As of July of 2011, how many people lived in Richmond?
SPARQL (Wikidata): SELECT ?obj WHERE { wd:Q43421 p:P1082 ?s . ?s ps:P1082 ?obj . ?s pq:P585 ?x filter(contains(YEAR(?x),'2011')) }